Backend PlatformsDevOps SystemsProduction AI

Building AI Systems
That Scale

Building reliable backend platforms, DevOps systems, and production AI workflows.

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Ghassan Hero
  • 8+ Years Experience
  • Berlin, Germany
  • AI Engineering
  • Cloud & DevOps

Trusted Technologies

Technologies I’ve used to build scalable software and AI solutions in production.

hermes

Engineering Beyond Code

Great software is not just about writing code.

It is about understanding business problems, designing scalable architectures, making thoughtful technical decisions, and building systems that continue to perform as they grow.

This is the mindset I bring to every project: combining AI engineering, backend development, cloud infrastructure, and frontend craftsmanship to build software that performs reliably in the real world.

Core Expertise

The areas where I create the most value.

My work sits at the intersection of AI engineering, backend architecture, cloud infrastructure, and modern frontend development.

AI Engineering

Production-ready AI systems using LLMs, AI agents, RAG pipelines, MCP servers, vector databases, and intelligent automation.

LLM ApplicationsAI AgentsRAGMCPVector Search

Backend Engineering

Scalable backend platforms built with Node.js, TypeScript, Python, REST APIs, GraphQL, gRPC, and event-driven architecture.

MicroservicesREST APIsGraphQLgRPCScalability

Cloud & DevOps

Reliable cloud infrastructure with Docker, Kubernetes, Linux, CI/CD pipelines, monitoring, automation, and production deployments.

DockerKubernetesCI/CDLinuxMonitoring

Modern Frontend

Polished frontend experiences using React, Next.js, TypeScript, responsive layouts, animations, and performance-focused UI architecture.

ReactNext.jsTypeScriptUXPerformance

Featured Articles

Engineering articles focused on architecture and decisions.

I explain systems through architecture, tradeoffs, implementation patterns, and clear evidence boundaries.

Backend Engineering

Reference Architecture

Kafka Rebalances Are a Coordination Problem, Not Just a Timeout

A practical design guide to Kafka consumer rebalancing: ownership transfer, static membership, cooperative assignment, poll-loop safety, deployment, observability, and failure testing.

KafkaJavaKubernetesOpenTelemetry
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Backend Engineering

Reference Architecture

Cache Stampedes Need Request Coalescing, Not Longer TTLs

A practical reference architecture for request coalescing, stale serving, refresh leases, admission control, versioned cache keys, and failure testing.

RedisTypeScriptPostgreSQLOpenTelemetry
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Platform Engineering

Reference Architecture

Backpressure and Load Shedding Are One Overload Contract

A practical reference architecture for bounded queues, admission control, backpressure, load shedding, retry discipline, and overload testing.

TypeScriptgRPCPostgreSQLOpenTelemetry
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Architecture Showcase

Every scalable application begins with thoughtful architecture.

I use diagrams to explain how systems are structured: AI agents, APIs, services, queues, databases, observability, infrastructure, and deployment workflows.

Explore Architecture

Let’s build something exceptional.

Whether you're building AI products, scalable backend platforms, or modern cloud infrastructure, I'm always interested in meaningful engineering challenges and new opportunities.